<html>
<head>
  <script src="../../lib/OpenLayers.js"></script>
  <script type="text/javascript">
    function test_Handler_Polygon_constructor(t) {
        t.plan(3);
        var control = new OpenLayers.Control();
        control.id = Math.random();
        var callbacks = {foo: "bar"};
        var options = {bar: "foo"};

        var oldInit = OpenLayers.Handler.prototype.initialize;

        OpenLayers.Handler.prototype.initialize = function(con, call, opt) {
            t.eq(con.id, control.id,
                 "constructor calls parent with the correct control");
            t.eq(call, callbacks,
                 "constructor calls parent with the correct callbacks");
            t.eq(opt, options,
                 "constructor calls parent with the correct options");
        }
        var handler = new OpenLayers.Handler.Polygon(control, callbacks, options);

        OpenLayers.Handler.prototype.initialize = oldInit;
    }

    function test_Handler_Polygon_activation(t) {
        t.plan(3);
        var map = new OpenLayers.Map('map');
        var control = new OpenLayers.Control();
        map.addControl(control);
        var handler = new OpenLayers.Handler.Polygon(control);
        handler.active = true;
        var activated = handler.activate();
        t.ok(!activated,
             "activate returns false if the handler was already active");
        handler.active = false;
        activated = handler.activate();
        t.ok(activated,
             "activate returns true if the handler was not already active");
        activated = handler.deactivate();
        t.ok(activated,
             "deactivate returns true if the handler was active already");
        map.destroy();     
    }

    function test_Handler_Polygon_bounds(t) {
        t.plan(2);
        var map = new OpenLayers.Map('map');
        map.addLayer(new OpenLayers.Layer.WMS("", "", {}));
        map.zoomToMaxExtent();
        var control = new OpenLayers.Control();
        map.addControl(control);
        var handler = new OpenLayers.Handler.Polygon(control, {});
        var activated = handler.activate();

        var evt = {xy: new OpenLayers.Pixel(150, 75), which: 1};
        handler.mousedown(evt);
        handler.mouseup(evt);
        var evt = {xy: new OpenLayers.Pixel(175, 100), which: 1};
        handler.mousemove(evt);
        handler.mousedown(evt);
        handler.mouseup(evt);
        t.ok(handler.line.geometry.getBounds().equals(new OpenLayers.Bounds(0,-35.15625,35.15625,0)), "Correct bounds");
        var evt = {xy: new OpenLayers.Pixel(175, 100), which: 1};
        handler.mousedown(evt);
        var evt = {xy: new OpenLayers.Pixel(125, 100), which: 1};
        handler.mousemove(evt);
        t.ok(!handler.polygon.geometry.getBounds().equals(new OpenLayers.Bounds(0,-35.15625,35.15625,0)),
             "Correct bounds after dragging without letting go. (Came out as "+handler.line.geometry.getBounds().toBBOX() + ".)");
        map.destroy();     
    }

    function test_callbacks(t) {
        t.plan(15);
        var map = new OpenLayers.Map("map", {
            resolutions: [1]
        });
        var layer = new OpenLayers.Layer.Vector("foo", {
            maxExtent: new OpenLayers.Bounds(-10, -10, 10, 10),
            isBaseLayer: true
        });
        map.addLayer(layer);
        var control = new OpenLayers.Control({
        });
        var log = {};
        var handler = new OpenLayers.Handler.Polygon(control, {
            create: function() {
                log.type = "create",
                log.args = arguments
            },
            modify: function() {
                log.type = "modify",
                log.args = arguments
            },
            done: function() {
                log.type = "done",
                log.args = arguments
            },
            cancel: function() {
                log.type = "cancel",
                log.args = arguments
            }
        });
        control.handler = handler;
        map.addControl(control);
        map.setCenter(new OpenLayers.LonLat(0, 0), 0);
        
        // mock up feature drawing
        handler.activate();
        // click at 0, 0
        handler.mousedown({type: "mousedown", xy: new OpenLayers.Pixel(0, 0)});
        t.eq(log.type, "create", "[mousedown] create called");
        t.geom_eq(log.args[0], new OpenLayers.Geometry.Point(-150, 75), "[mousedown] correct vertex");
        t.ok(log.args[1] === handler.polygon, "[mousedown] correct sketch feature");
        handler.mouseup({type: "mouseup", xy: new OpenLayers.Pixel(0, 0)});
        t.eq(log.type, "modify", "[mouseup] modify called");
        t.geom_eq(log.args[0], new OpenLayers.Geometry.Point(-150, 75), "[mouseup] correct vertex");
        t.ok(log.args[1] === handler.polygon, "[mouseup] correct sketch feature");
        // move to 10, 10 and click
        handler.mousemove({type: "mousemove", xy: new OpenLayers.Pixel(10, 10)});
        t.eq(log.type, "modify", "[mousemove] modify called");
        t.geom_eq(log.args[0], new OpenLayers.Geometry.Point(-140, 65), "[mousemove] correct vertex");
        t.ok(log.args[1] === handler.polygon, "[mouseup] correct sketch feature");
        handler.mousedown({type: "mousedown", xy: new OpenLayers.Pixel(10, 10)});
        handler.mouseup({type: "mouseup", xy: new OpenLayers.Pixel(10, 10)});
        // move to 0, 10 and double click
        handler.mousemove({type: "mousemove", xy: new OpenLayers.Pixel(0, 10)});
        t.eq(log.type, "modify", "[mousemove] modify called");
        t.geom_eq(log.args[0], new OpenLayers.Geometry.Point(-150, 65), "[mousemove] correct vertex");
        t.ok(log.args[1] === handler.polygon, "[mouseup] correct sketch feature");
        handler.mousedown({type: "mousedown", xy: new OpenLayers.Pixel(0, 10)});
        handler.mouseup({type: "mouseup", xy: new OpenLayers.Pixel(0, 10)});
        handler.mousedown({type: "mousedown", xy: new OpenLayers.Pixel(0, 10)});
        handler.mouseup({type: "mouseup", xy: new OpenLayers.Pixel(0, 10)});
        handler.dblclick({type: "dblclick", xy: new OpenLayers.Pixel(0, 10)});
        t.eq(log.type, "done", "[dblclick] done called");
        t.geom_eq(
            log.args[0],
            new OpenLayers.Geometry.Polygon([
                new OpenLayers.Geometry.LinearRing([
                    new OpenLayers.Geometry.Point(-150, 75),
                    new OpenLayers.Geometry.Point(-140, 65),
                    new OpenLayers.Geometry.Point(-150, 65),
                    new OpenLayers.Geometry.Point(-150, 75)
                ])
            ]),
            "[dblclick] correct polygon"
        );
        
        // mock up sketch cancel
        handler.mousedown({type: "mousedown", xy: new OpenLayers.Pixel(0, 0)});
        handler.mouseup({type: "mouseup", xy: new OpenLayers.Pixel(0, 0)});
        handler.mousemove({type: "mousemove", xy: new OpenLayers.Pixel(1, 1)});
        handler.deactivate();
        t.eq(log.type, "cancel", "[deactivate while drawing] cancel called");
        
        map.destroy();
    }        

    function test_Handler_Polygon_destroy(t) {
        t.plan(8);
        var map = new OpenLayers.Map('map');
        map.addLayer(new OpenLayers.Layer.WMS("", "", {}));
        map.zoomToMaxExtent();
        var control = new OpenLayers.Control();
        map.addControl(control);
        var handler = new OpenLayers.Handler.Polygon(control, {foo: 'bar'});

        handler.activate();
        var evt = {xy: new OpenLayers.Pixel(150, 75), which: 1};
        handler.mousedown(evt);

        t.ok(handler.layer,
             "handler has a layer prior to destroy");
        t.ok(handler.point,
             "handler has a point prior to destroy");
        t.ok(handler.line,
             "handler has a line prior to destroy");
        t.ok(handler.polygon,
             "handler has a polygon prior to destroy");
        handler.destroy();
        t.eq(handler.layer, null,
             "handler.layer is null after destroy");
        t.eq(handler.point, null,
             "handler.point is null after destroy");
        t.eq(handler.line, null,
             "handler.line is null after destroy");
        t.eq(handler.polygon, null,
             "handler.polygon is null after destroy");
        map.destroy();     
    }



  </script>
</head>
<body>
    <div id="map" style="width: 300px; height: 150px;"/>
</body>
</html>
